cnvd - cnvd-2021-39547

cnvd-2021-39547

Vulnerability from cnvd

Title: Zulip server存在未明漏洞（CNVD-2021-39547）

Description:

Zulip server是美国Zulip公司的一款开源的团队聊天应用程序。

Zulip Server 3.4之前版本存在安全漏洞，该漏洞源于公共API导致guest用户能够接收到本应只有组织成员才能访问的公共流的消息流量。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Zulip server存在未明漏洞（CNVD-2021-39547）的补丁

Patch Description:

Zulip server是美国Zulip公司的一款开源的团队聊天应用程序。

Zulip Server 3.4之前版本存在安全漏洞，该漏洞源于公共API导致guest用户能够接收到本应只有组织成员才能访问的公共流的消息流量。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://blog.zulip.com/2021/04/14/zulip-server-3-4/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-30479

Impacted products

Name
Zulip Zulip Server <3.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-30479",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-30479"
    }
  },
  "description": "Zulip server\u662f\u7f8e\u56fdZulip\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u56e2\u961f\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u3002\n\nZulip Server 3.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u516c\u5171API\u5bfc\u81f4guest\u7528\u6237\u80fd\u591f\u63a5\u6536\u5230\u672c\u5e94\u53ea\u6709\u7ec4\u7ec7\u6210\u5458\u624d\u80fd\u8bbf\u95ee\u7684\u516c\u5171\u6d41\u7684\u6d88\u606f\u6d41\u91cf\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://blog.zulip.com/2021/04/14/zulip-server-3-4/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39547",
  "openTime": "2021-06-04",
  "patchDescription": "Zulip server\u662f\u7f8e\u56fdZulip\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u56e2\u961f\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nZulip Server 3.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u516c\u5171API\u5bfc\u81f4guest\u7528\u6237\u80fd\u591f\u63a5\u6536\u5230\u672c\u5e94\u53ea\u6709\u7ec4\u7ec7\u6210\u5458\u624d\u80fd\u8bbf\u95ee\u7684\u516c\u5171\u6d41\u7684\u6d88\u606f\u6d41\u91cf\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Zulip server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-39547\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Zulip Zulip Server \u003c3.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-30479",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-08",
  "title": "Zulip server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-39547\uff09"
}

CVE-2021-30479 (GCVE-0-2021-30479)

Vulnerability from cvelistv5

Published

2021-04-14 23:48

Modified

2024-08-03 22:32

Severity ?

CWE

Summary

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the all_public_streams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization.

References

▼	URL	Tags
	https://blog.zulip.com/2021/04/14/zulip-server-3-4/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:32:41.094Z",
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://blog.zulip.com/2021/04/14/zulip-server-3-4/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
            }
          ]
        }
      ],
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      ],
      "problemTypes": [
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        "dateUpdated": "2021-04-14T23:48:38",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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            "x_refsource_MISC"
          ],
          "url": "https://blog.zulip.com/2021/04/14/zulip-server-3-4/"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-30479",
          "STATE": "PUBLIC"
        },
        "affects": {
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                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                        ]
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                "vendor_name": "n/a"
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        "data_type": "CVE",
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  "cveMetadata": {
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    "dateReserved": "2021-04-09T00:00:00",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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